From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8B359C433EF for ; Mon, 16 May 2022 15:31:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245278AbiEPPbm (ORCPT ); Mon, 16 May 2022 11:31:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55568 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235228AbiEPPbj (ORCPT ); Mon, 16 May 2022 11:31:39 -0400 Received: from mail-il1-x12a.google.com (mail-il1-x12a.google.com [IPv6:2607:f8b0:4864:20::12a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 52D51192A6 for ; Mon, 16 May 2022 08:31:37 -0700 (PDT) Received: by mail-il1-x12a.google.com with SMTP id o16so2225375ilq.8 for ; Mon, 16 May 2022 08:31:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=toxicpanda-com.20210112.gappssmtp.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=8+TAt7I5jiezXZsDlX9A+hPwZgfvHg8D87kfGMEU/04=; b=hpU6ZqrYJw8zPHL/baTTw1hhR/tjd4qA3YOWX9mJZOmbLpguWHF7m7ZqDiPStdz5Hx 8KkJntZfI0WHMqqdoGxenhBBxyISLhlsO1o3/KrCbfkTzfZVKng9ipNiWOY0wAvZhXVr NWupzzMxZp9vRQI+y0VAihWjC52Qtz9sTO7pzSfRcuQA5pwvdfEgYWqrvnrQnT/7qUuC hk3Dp/jQQY0vVSfeJMvfS2kdwlwQk2upHSiuapDSMULVUK5HOgEcYZrEEdhL+uup9uYS BmN/h6MIZcdw9UtqxImmiJQGHekuhYqyRcMpVASIEswtHOi7E+MtxctOUDryIJG0Ty61 y3Lw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=8+TAt7I5jiezXZsDlX9A+hPwZgfvHg8D87kfGMEU/04=; b=ADbHtFFgj99ROnZmdkiSypKMIdmQruUdE6TrtasdhWNUzkbyw4A0yXWFBqV5FVLdQ9 mC4zrHM+Gi0jKKx85WaccoLJy3AK1U+zf+4CrrYoDkAt0V6MturV6IDSQctNrfa5SHvO l/+AyImdQJZdLmqUTpRfr6RgkkhZSDgWK8q3V4kVlH+q+xMT0ZnvKyosUfj38T8RFBB2 81kOd6Z4x9AX6wnWSyebRSq5X6ddrj9IXsgJVfji+MWgtNsKylB/YV+WTz6LQR7gk9Yp /FPcXJlvve7SElJt8mg33oezCpQ44UFMKsEJtlebbNitAtJybHtjCQJEKiGxetgVjp82 t+ow== X-Gm-Message-State: AOAM531GvPRk7qvztrS3Psap/FFik9tvmVZK9kR4fdntPI0con58iuFm FgOynMnsC+ni63/Oc4lITMyP9zMsXq6XXRvrtF49BuA/J0U= X-Google-Smtp-Source: ABdhPJyB51GooIO5Pg2qZfTwGBziz0N8P1f0+4mEqWKSOdS27heHO70jwexl9u9vgZkNgnnBXxVAaJjfu3sqBaMn1xI= X-Received: by 2002:a05:6e02:d06:b0:2d1:2be8:df10 with SMTP id g6-20020a056e020d0600b002d12be8df10mr1298876ilj.127.1652715096323; Mon, 16 May 2022 08:31:36 -0700 (PDT) MIME-Version: 1.0 References: <20220515153347.GA8056@merlins.org> <20220515154122.GB8056@merlins.org> <20220515212951.GC13006@merlins.org> <20220515230147.GD13006@merlins.org> <20220516005759.GE13006@merlins.org> <20220516151653.GF13006@merlins.org> In-Reply-To: <20220516151653.GF13006@merlins.org> From: Josef Bacik Date: Mon, 16 May 2022 11:31:24 -0400 Message-ID: Subject: Re: Rebuilding 24TB Raid5 array (was btrfs corruption: parent transid verify failed + open_ctree failed) To: Marc MERLIN Cc: linux-btrfs Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org On Mon, May 16, 2022 at 11:16 AM Marc MERLIN wrote: > > On Mon, May 16, 2022 at 10:50:42AM -0400, Josef Bacik wrote: > > > > btrfs-corrupt-block -d "1,204,941709328384" -r 3 > > > > > > > > and then you should be good, unless there are other dangling dev > > > > extents that need to be removed. Thanks, > > > > > > Is that bad? > > > > Yeah, means I don't understand my own filesystem, use -r 4 instead > > please. Thanks, > > gargamel:/var/local/src/btrfs-progs-josefbacik# ./btrfs-corrupt-block -d "1,204,941709328384" -r4 /dev/mapper/dshelf1 > FS_INFO IS 0x55e58be9e600 > JOSEF: root 9 > Couldn't find the last root for 8 > FS_INFO AFTER IS 0x55e58be9e600 > > gargamel:/var/local/src/btrfs-progs-josefbacik# ./btrfs-corrupt-block -d "1,204,941709328384" -r 4 /dev/mapper/dshelf1 > FS_INFO IS 0x55e239055600 > JOSEF: root 9 > Couldn't find the last root for 8 > FS_INFO AFTER IS 0x55e239055600 > Error searching to node -2 > > Means it worked? Yeah, probably should print out a "Error: Success!" when it does actually do something. Thanks, Josef